PODCAST: NRDC applauds Obama's tough talk on climate change

This 2007 image provided by the Wildlife Conservation Society shows Bob Inman with the Wildlife Conservation Society holding part of an elk leg found outside a wolverine den built into a snowfield in the Spanish Peaks mountain range in Montana, as fellow wildlife researcher Tony McCue looks on. Wolverines need deep mountain snows to survive, but the government said Friday, Feb. 1, 2013, that anticipated warming temperatures in coming decades will shrink their habitat, putting the species in danger of extinction. (AP Photo/Wildlife Conservation Society)

HARRISBURG — President Obama’s no-punches-pulled challenge to Congress during Tuesday’s State of the Union speech to take action on global warming is getting high marks from environmental groups concerned about carbon emissions and clean air standards.

Frances Beinecke, president of the Natural Resources Defense Council, watched the address from the House gallery.

“From our point of view, the largest single source of carbon is power plants,” she said recently.

Click here to listen to a podcast interview with Beinecke on the president’s address.